Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

Standing core workout after 55 from a CSCS, an 8-minute routine to shrink belly pooch with marching, chops, and jacks.

Feeling inspired by Livvy Dune’s abs, but don’t quite have the same amount of hours to spend in the gym as her? We’ve good news: you actually don’t need *that* much time to make a difference when it ...

You have to engage your core constantly as you sit straight, stand tall, and walk confidently, which requires a lot of endurance in your midsection muscles. The best way to build ab endurance? A core ...

Kickstart your New Year alongside SI Swimsuit with 31 Days of Wellness! This January, SI Swimsuit will unlock exclusive ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

Lately, my core routine has felt staler than week-old sourdough bread. Sure, classic moves like crunches, Russian twists, and planks are great (and effective!), but in order to reap the gains of ...